|Publication number||US7054614 B1|
|Application number||US 09/924,208|
|Publication date||May 30, 2006|
|Filing date||Aug 7, 2001|
|Priority date||Aug 7, 2000|
|Publication number||09924208, 924208, US 7054614 B1, US 7054614B1, US-B1-7054614, US7054614 B1, US7054614B1|
|Inventors||Jason F. Hunzinger|
|Original Assignee||Denso Corporation|
|Export Citation||BiBTeX, EndNote, RefMan|
|Patent Citations (7), Referenced by (21), Classifications (9), Legal Events (3)|
|External Links: USPTO, USPTO Assignment, Espacenet|
This application claims benefit of U.S. Provisional application No. 60/223,131, filed Aug. 7, 2000, the content of which is herein incorporated by reference in its entirety.
This invention relates to wireless communication systems, and more particularly to providing delivery of context aware content and actions to handsets in wireless communication systems, while maintaining privacy with respect to each handset's particular context.
The desire to use information in wireless communication systems is constantly increasing. With the increased use of the wireless web on cellular telephones, the versatility and potential of the wireless communication systems is increasing. For example, cellular phones may execute programs when certain conditions are met. However, the desire to maintain privacy of the user needs to be balanced with the convenience of executing programs based on user data. What is desired is a means to manage the distribution of information and instructions to wireless terminals to minimize divulging private information through actions with entities external to the mobile station.
A mobile station in a wireless communication system monitors a plurality of contextual conditions with respect to its current conditions. The contextual conditions may define a characteristic, such as the location of the mobile station or a time frame. Instructions, content and context information can be distributed by a central database to the mobile station. Instructions and context descriptions may be generated in a way such that they encapsulate detection of context and execution of associated actions so that the context of the mobile station is kept private. The mobile station monitors data to determine when the contextual conditions are satisfied. The mobile station may then run programs based on the satisfied contextual conditions. A server may generate, monitor, control the distribution of instructions and content and context information to terminals to perform such actions based on contextual conditions. A server distributes such information to minimize the amount or type of private information that wireless terminals will divulge when acting on those conditions.
These and other features and advantages of the invention will become more apparent upon reading the following detailed description and upon reference to the accompanying drawings.
The mobile station 106 is capable of receiving data from and transmitting data to a base station 104. Additional cells adjacent to the cell 108 permit mobile stations 106 to cross cell boundaries without interrupting communications. This is because base stations 104 in adjacent cells assume the task of transmitting and receiving data for the mobile stations 106. The mobile switching center 102 may coordinate all communication to and from mobile stations 106 in a multi-cell region, thus the mobile switching center 102 may communicate with many base stations 104.
A program generator and distributor contained in server 110 delivers programs, generated according to one embodiment of this invention, and containing action and context description pairs, to the mobile stations 106. The deliveries could be triggered by a request from a mobile station or simply delivered to the mobile stations at the choice of the program generator and distributor in the server 110.
The mobile stations 106 may move about freely within the cell 108 while communicating either voice or data. The mobile stations 106 not in active communication with other telephone system users may, nevertheless, scan base station 104 transmissions in the cell 108 to detect any telephone calls or paging messages directed to the mobile station 106.
One example of such a mobile station 106 is a cellular telephone used by a pedestrian who, expecting a telephone call, powers on the cellular telephone while walking in the cell 108. The cellular telephone synchronizes communication with the base station 104. The cellular telephone then registers with the mobile switching center 102 to make itself known as an active user within the wireless network.
The mobile station 106 scans data frames broadcast by the base station 104 to detect any telephone calls or paging messages directed to the cellular telephone. In this call detection mode, the mobile station 106 receives, stores and examines paging message data, and determines whether the data contains an identifier matching an identifier of the mobile station 106. If a match is detected, the mobile station 106 establishes a call with the mobile switching center 102 via the base station 104. If no match is detected, the mobile station 106 enters an idle state for a predetermined period of time, then exits the idle state to receive another transmission of paging message data.
Proceeding to block 615, the mobile station 106 determines if any action is necessary based on the contextual conditions. For example, the user may desire the mobile station 106 to place a call to a voice mail system upon arrival at the office. The mobile station 106 matches the satisfied contextual condition with a desired action. Other examples of actions are retrieving a web page, powering down the mobile station, executing a program, requesting information, reset user preferences, or any other desired actions.
Proceeding to block 620, the mobile station 106 retrieves the action instructions. The instructions may be retrieved from a wireless web browser, from the wireless service provider, or may be stored within the mobile station. The action instructions may be generated manually or automatically by a server or other entity that has a wealth of contextual information such as geographical information databases, network databases, user profile database, and others. The instructions encapsulate detection of context and execution of associated actions so that that context information is kept private to the user. For example, when the mobile detects it is near a mall, it retrieves an advertisement from a URL while no private location information is disclosed.
The server 110 that generates the instructions may translate application requirements into programs either manually or automatically. The instructions contain action and context description pairs where the action is executed when the context description is satisfied. In the process, or independently, the entity may monitor the generation of such programs to determine if external actions that may result from detection of certain context conditions implicitly disclose certain private information. This may be done with a simple comparison of how many different contexts or conditions result in the same external action (external refers to external to the mobile such as a web-page access). If the number is small or only one, then the action implicitly gives up private information. For example, if only one very strictly defined location context results in the access of a specific 3rd party URL, then this could be flagged as potentially dangerous to the user of the mobile device or the application request could be rejected. Alternatively, the program may be re-written or modified such that the implicit disclosure of private information is reduced or eliminated. For example, the entity may generate additional contexts with the same action to artificially mask the private information.
Proceeding to block 625, the mobile station 106 executes the action instructions. The action instructions may be persistent programs that are stored in the mobile terminal or peripheral equipment. In this way, the context-based monitoring is split between server and mobile to maintain a desired level of precision, accuracy, privacy, resource utilization (distributed processing), air-link usage, etc. The programs may be executed upon download such as XML or WML pages. The programs may be a combination of these pages, and may also use extended capabilities of the wireless terminal to perform trigger checks and execute actions. The programs may be paired so that related programs execute on both the mobile station 106 and a server. These programs may communicate with each other, and the programs may be generated by another program. The server program may also broker multiple context-sensitive applications. For example, if a third party advertising firm wants to send advertisements to a mobile station, then the server may manage and schedule the different requests appropriately. Thus, if the mobile station 106 satisfies a contextual condition that states the mobile station 106 is approaching a mall, the third party advertiser may send an ad for a store at the mall, but not know exactly where the mobile station 106 is located when the ad is being delivered. After the program is executed, the process terminates in END block 630.
For some applications and services such as advertising, it is desirable to collect statistics. While the user's privacy is protected, the collection of statistical information may be complicated. However, with this invention, the programs can also include actions to collect statistics themselves and automatically inform a server or other entity of a number of “hits” that occurred. The mobile may do so anonymously by sending a mobile originated SMS or other anonymous URL post.
The generation of programs may also be dependent on user profile information that is provided to or stored at a server. The parameters of generation of programs may depend on certain user specified information or parameters specified by usage, purchase, ownership or membership, etc. For example, parameters may include:
The programs described in this invention use building blocks that support detection of various contextual conditions and combinations thereof. The following building blocks are examples:
Numerous variations and modifications of the invention will become readily apparent to those skilled in the art. Accordingly, the invention may be embodied in other specific forms without departing from its spirit or essential characteristics.
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|U.S. Classification||455/411, 455/418, 455/420|
|Cooperative Classification||H04W8/18, H04M1/72566, H04M1/72572|
|European Classification||H04M1/725F2C, H04M1/725F2G|
|Aug 7, 2001||AS||Assignment|
Owner name: DENSO CORPORATION, JAPAN
Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:HUNZINGER, JASON F.;REEL/FRAME:012069/0879
Effective date: 20010806
|Oct 28, 2009||FPAY||Fee payment|
Year of fee payment: 4
|Nov 22, 2013||FPAY||Fee payment|
Year of fee payment: 8